"It deals with mass violence, and the tragedy we saw in Connecticut. It deals with studying, for instance, whether or not things that our children see on screens, whether it be gaming on Playstation or in the theaters. And whether or not that has an impact on children's propensity for violence. As well as the mental health issue."

Biden said disagreements on the issue are inevitable, but after the recent rash of school shootings, something must be done.